APA (7th ed.) Citation

Laurie, J., & Halas, J. Twa Corbies.

Chicago Style (17th ed.) Citation

Laurie, John, and John Halas. Twa Corbies.

MLA (9th ed.) Citation

Laurie, John, and John Halas. Twa Corbies.

Warning: These citations may not always be 100% accurate.